Fortuna Travel Guide

Weather in Fortuna

Temperature

Average temperatures in Fortuna vary little. Considering humidity, temperatures feel cold for most of the year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 28th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Fortuna, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 67.3°F (19.6°C) with temperatures rarely dropping below 49.5°F (9.7°C) at night.

Fortuna Temperatures (Fahrenheit)

Key

High

Average

Low

Fortuna Temperatures (Celsius)

Key

High

Average

Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Fortuna Perceived Temperature (F)

Key

High

Average

Low

Fortuna Perceived Temperature (C)

Key

High

Average

Low

Average Fortuna Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month

Avg. High (°F)

Avg. Mean (°F)

Avg. Low (°F)

Jan

56.2

46.5

37

Feb

55.6

47.2

38.2

Mar

56.2

48.2

39.4

Apr

56.7

48.6

39.6

May

59.1

51.5

43.8

Jun

62

54.2

47

Jul

62.9

55.8

50

Aug

63.9

56.7

50.7

Sep

65

55.6

47.4

Oct

63.8

54.2

45.4

Nov

59.5

50.2

41.1

Dec

54.7

46.4

37.6

Show Celsius

Month

Avg. High (°C)

Avg. Mean (°C)

Avg. Low (°C)

Jan

13.4

8.1

2.8

Feb

13.1

8.4

3.4

Mar

13.4

9

4.1

Apr

13.7

9.2

4.2

May

15.1

10.8

6.6

Jun

16.7

12.3

8.3

Jul

17.2

13.2

10

Aug

17.7

13.7

10.4

Sep

18.3

13.1

8.6

Oct

17.7

12.3

7.4

Nov

15.3

10.1

5.1

Dec

12.6

8

3.1

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Fortuna are August, July, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid June. For example, on the week of June 18th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 4 days of significant precipitation the week of December 17th.

When can you find snow in Fortuna? Weather stations report a bit of annual snow likely to be deepest around December, especially close to late November to early December. The best time to ski (if at all) in Fortuna is often around around November 26th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Fortuna.

Key

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Fortuna (in).

Key

Snow depth

Average Rain and Snow by Month

Show Inches

Month

Daily Chance of Rain

Average Snow Depth (in)

Total Precipitation (in)

Jan

25%

0

4.5

Feb

30%

0

4.9

Mar

39%

0

6.4

Apr

26%

0

3.3

May

10%

0

1.3

Jun

6%

0

0.8

Jul

1%

0

0.3

Aug

1%

0

0.3

Sep

5%

0

0.6

Oct

15%

0

3.1

Nov

30%

0

4.5

Dec

42%

3.1

8.3

Show Centimeters

Month

Daily Chance of Rain

Average Snow Depth (cm)

Total Precipitation (cm)

Jan

25

0

11.4

Feb

30

0

12.4

Mar

39

0

16.3

Apr

26

0

8.4

May

10

0

3.3

Jun

6

0

2

Jul

1

0

0.8

Aug

1

0

0.8

Sep

5

0

1.5

Oct

15

0

7.9

Nov

30

0

11.4

Dec

42

7.9

21.1

Humidity and Wind

Fortuna has some extremely humid months, and high humidity throughout the year. The least humid month is February (75.4% relative humidity), and the most humid month is August (84.6%).

Wind in Fortuna is usually calm. The windiest month is May, followed by April and March. May’s average wind speed of around 5.8 knots (6.6 MPH or 10.7 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid June where average top sustained speeds reach 13 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Fortuna.

Key

Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key

Max Sustained Wind

Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month

Avg. Wind

Avg. Wind Feel

Sustained High Wind

High Wind Feel

Jan

3.8

Barely noticeable

7.2

Gentle breeze

Feb

4.8

Light breeze

9.4

Gentle breeze

Mar

5.6

Light breeze

10.3

Gentle breeze

Apr

5.7

Light breeze

11

Significant breeze

May

5.8

Light breeze

11.2

Gentle breeze

Jun

5.5

Light breeze

11.1

Significant breeze

Jul

4.5

Light breeze

9

Gentle breeze

Aug

4.2

Light breeze

8.3

Gentle breeze

Sep

3.9

Barely noticeable

8.1

Gentle breeze

Oct

3.8

Barely noticeable

8.1

Gentle breeze

Nov

3.9

Barely noticeable

7.2

Gentle breeze

Dec

5

Light breeze

8.9

Gentle breeze

Show Relative Humidity by Month

Month

Avg. Relative Humidity

Jan

76.2%

Feb

75.4%

Mar

76.4%

Apr

75.5%

May

77.7%

Jun

79.6%

Jul

83.5%

Aug

84.6%

Sep

81.3%

Oct

78.3%

Nov

77.1%

Dec

76%

Is it Safe to Travel to Fortuna?

Our best data indicates this area is generally safe. As of Mar 17, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Mar 15, 2019.

The Busiest and Least Crowded Months

The busiest month for tourism in Fortuna, CA, US is July, followed by June and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Fortuna in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

Most Popular Months to Visit

Key

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 36.3 in December means 36.3% of the tourists vs. July.

Overall Fortuna Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 60.3°F (15.7°C) and 55.3°F (12.9°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 12 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are brisk. These months see the least precipitation with 0 to 2 days of precipitation per month. June – August is the busiest season for tourism in Fortuna, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 67.2°F (19.6°C) and 57.7°F (14.3°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 2 to 9 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Fortuna to be enjoyable for warm weather travelers. The average high during this season is between 57.4°F (14.1°C) and 53.3°F (11.8°C). On average, it rains or snows a fair amount: 8 to 13 times per month. These times of year are fairly slow with tourists.